Bright light
Meteorology
Some of the most impressive work I have seen on dynamical
systems that maximise thair rate of energy degradation has
come from workers studying turbulence and meteorological
phenomena.
In particular the work of [Hisashi
Ozawa] is well worth examining more closely.
The following quotes from the abstract should give the
general flavour:
Previous works on thermodynamics of the climate system are
reviewed in the light of a thermodynamic concept presented
here.
It states that entropy of thermal reservoirs connected
through a non-linear system, in which materials interact
mutually, will increase along a path of evolution with a
maximum rate of entropy increase, among a manifold of
allowed paths. [...]
Consequently, it is found that Paltridge's suggestion on
maximum entropy increase by turbulent heat transport in the
earth's climate system, as well as Malkus-Howard-Busse's
suggestion on maximum energy dissipation in turbulent flows,
is rigorously explained by the single thermodynamic concept.
There are a variety of ideas in this area. These have
various names - including the maximum power
principle, the principle of maximum
dissipation and the maximum entropy production
principle.
While it is interesting that phenomena such as turbulent
fluid flow naturally migrate to states where they are
dissipating energy as rapidly as possible - such simple
self-organizing systems only represent the
beginnings of what is possible.
In order to really dissipate energy properly you
need a living system, so that sources of potential energy
are actively sought-out - and it should really be
capable of evolving intelligent life - since intelligence is
the route to developing most technologies for locating and
utilising potential energy sources.
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Tim Tyler |
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